SOW Stoneville B-1 Chiller and Control Maint. FY25.docx

Agricultural Research Service

U.S. DEPARTMENT OF AGRICULTURE

Maintain 2 York Chillers and Controls for Building 1 Page 2 of 2

STATEMENT OF WORK

Maintain 2 York Chillers and Controls for Building #1

USDA ARS Jamie Whitten Delta States Research Center 141 Experiment Station Road Stoneville, Mississippi 38776 Asset ID: 640200B001

1. PROJECT INTRODUCTION

1.1. PROJECT TITLE

Maintain 2 York Chillers and Controls for Building 1.

1.2. PROJECT BACKGROUND AND PURPOSE

The USDA, Agricultural Research Service (ARS), Jamie Whitten Delta States Research Center is headquartered in Building 1 and the HVAC equipment that serves this building are housed in Building 2 which is immediately adjacent. Building 1 houses research activities as well as administrative office space. This facility is located within its own fenced-in compound on the Stoneville Campus at 141 Experiment Station Road.

This contract is to provide factory certified planned maintenance, testing, and repair of the 2 JCI York Chillers (Model # YKESETQ6-CPG/R-134A, YKESEQQ6-CRG) and the associated, Connect Services, by Johnson Controls Incorporated HVAC Controls that served USDA ARS Stoneville Building #1. The contract shall be effective for one base year, and be renewable upon mutual consent each year for four additional years.

1.3. PROJECT CONTACT PERSONS

CONTRACTING OFFICER (CO)

Lynn Hults, Contract Officer USDA, ARS, ARM, Southeast Area 912-464-9723 Lynn.hults@usda.gov

2. SCOPE AND OBJECTIVES

2.1. DESCRIPTION OF WORK

The Contractor must furnish all personnel, equipment, tools, materials, supervision, and quality control necessary to perform factory trained routine, planned maintenance and associated testing and covered repairs.

The Contractor must:

2.1.1. Perform all work necessary to maintain above identified chillers and controls including the following task list:

Block Hours – Controls Preventative Maintenance

· Check with appropriate customer representative for operational deficiencies

· Perform scheduled block hour tasks Complete any required maintenance checklists, report observations to appropriate customer representative

Chiller, Water Cooled, High Pressure Centrifugal, 450-799 Tons Comprehensive (Connected)

· Prior to on-site visit, use Connected Services to review control panel for proper operation and recorded fault histories

· Prior to on-site visit, use Connected Services to verify oil heater operation

· Prior to on-site visit, use Connected Services to record and log all operating parameters

· Prior to on-site visit, generate and review appropriate chiller reports from the Connected Services dashboard

· Check with appropriate customer representative for operational deficiencies

· Update Connected Chiller Panel firmware to current version

· Conduct refrigerant leak check

· Check compressor oil level(s)

· Change oil filters (isolation valves must be present and functional)

· Change oil educter filter dryer (isolation valves must be present and functional)

· Lubricate and check capacity control and linkage

· Check and tighten electrical connections

· Perform preventative procedures to flow proving devices

· Check for unusual noise and vibration

· For YK, YMC2, YZ, YD, YVAA, YMAA, and YS - Review the Proactive Parts Replacement Tool for components that may be in need of or recommended for proactive replacement.

· Check overall condition of unit

· Record and log all operating parameters

· Remove and dispose any debris from any maintenance activity

· Document tasks performed during visit and report any observations to appropriate customer representative

Connected Service Technology and Support (Required for Connected Services)

· Check with appropriate customer representative for operational deficiencies

· Utilizing the secure data connection, perform continuous analysis of critical equipment functions and generate on-demand health reports

· Provide 24x7 real-time access to equipment operating information and trend data, enabling technicians to diagnose and anticipate problems

· Remove and dispose any debris from any maintenance activity

· Document tasks performed during visit and report any observations to appropriate customer representative

Operational (Connected)

· Prior to on-site visit, use Connected Services to review control panel for proper operation and recorded fault histories

· Prior to on-site visit, use Connected Services to verify oil heater operation

· Prior to on-site visit, use Connected Services to record and log all operating parameters

· Prior to on-site visit, generate and review appropriate chiller reports from the Connected Services dashboard

· Check with appropriate customer representative for operational deficiencies

· Check for proper condenser and chilled water flow

· Check system pressures and temperatures

· Check refrigerant levels

· Check compressor oil level(s)

· Check capacity control and linkage

· Check for proper oil temperature and pressure

· Lubricate motor bearings (per manufacturer's recommendations)

· Visually inspect for refrigerant and oil leaks

· Check for unusual noise and vibration

· For YK, YMC2, YZ, YD, YVAA, YMAA, and YS - Review the Proactive Parts

· Replacement Tool for components that may be in need of or recommended for proactive replacement.

· Check overall condition of unit

· Record oil level in seal oil bottle

· Check for proper operation of oil return system

· Record and log all operating parameters

· Document tasks performed during visit and report any observations to appropriate customer representative

· Present and review Connected Services dashboard reports and Connected Services operating data with appropriate customer representative

Vibration Analysis

· Check with appropriate customer representative for operational deficiencies

· Record equipment specific information for reference

· Install pads and labels (if applicable)

· Install sensors in proper location.

· Start equipment and run at normal operating conditions.

· Record readings and remove sensors.

· Submit readings for report generation and deliver to customer with recommendations.

· Document tasks performed during visit and report any observations to appropriate customer representative

Condenser Tube Brushing (removal and replacement of one head only)

· Check with appropriate customer representative for operational deficiencies

· Isolate tubes

· Drain water from tubes

· Remove head

· Mechanically brush tubes

· Replace gasket

· Replace head

· Remove and dispose any debris from any maintenance activity

· Document tasks performed during visit and report any observations to appropriate customer representative

Oil Sample and Analysis

· Check with appropriate customer representative for operational deficiencies

· Remove sample in approved container

· Drop off for analysis

· Label and complete paperwork indicating present operating conditions

· Document tasks performed during visit and report any observations to appropriate customer representative Testing will be completed as to industry standards.

Connected Services Internet Connectivity

· Check with appropriate customer representative for operational deficiencies

· Provide reliable and cost effective secure data connection between equipment and Remote Operations Center

· Remove and dispose any debris from any maintenance activity

· Document tasks performed during visit and report any observations to appropriate customer representative

Controls Software, Supervisory/Server/UI, Johnson Controls, ADX ADX 10-User Site Dir Software Subscription 1-year - Subscription Only

· Check with appropriate customer representative for operational deficiencies

· Upgrade ADX software to latest Metasys release

· Document tasks performed during visit and report any observations to appropriate customer representative Install ADX software on Custom ADX server

· Check with appropriate customer representative for operational deficiencies

· Upgrade custom ADX software to latest Metasys release

· Document tasks performed during visit and report any observations to appropriate customer representative

2.1.2. Clean up and remove all debris.

2.2. No Government equipment will be available for use by the Contractor. Government will supply necessary utilities such as electricity, water, etc.

2.3. LOCATION OF WORK

The project is located at Building 1, 141 Experiment Station Rd. Stoneville, MS 38776

2.4. PRE-BID SITE VISIT

Interested vendors are encouraged to visit the site and be escorted by a government representative to confirm locations, dimensions, and conditions of the project before a quote is submitted. The purpose of a site visit is to observe conditions relevant to the completion of this project. No consideration will be given to claims based on lack of knowledge of existing conditions, except where contract documents detail definite provisions for adjustment in cost or extension due to existing conditions not readily foreseeable. A site visit will be scheduled once during the solicitation period if needed.

3. PROJECT SCHEDULE

3.1. The agreement will need to commence on February 4, 2025 for an initial period of 1 calendar year, then is renewable each year upon mutual consent for an additional four (4) years, for a total of five (5) years. The ultimate expiration date is no later than February 5, 2030. Invoices may be submitted for payment no more frequently than monthly.

3.2. Location work hours are 7:00 am and 4:00 pm, local time, Monday through Friday; federal holidays excluded. Any changes to work schedule must be submitted to CO for written approval prior to any schedule change.

4. GENERAL REQUIREEMENTS

4.1. PERMITS

The Contractor must obtain all building and trade permits necessary to include any drawings, plans, permit and inspection fees, utility location, site surveys, and any other items necessary for compliance with state, local, and federal building authorities.

4.2. SAFETY

The Contractor must conduct all work in a safe manner. If a mishap occurs the contractor must notify the COR. All incidents will be the responsibility of the Contractor unless specified by the contracting Officer.

4.3. QUALITY CONTROL

Provide quality control to ensure that all components of project work meet the requirements of the contract specifications. Ensure that all work not acceptable or compliant with the specifications is corrected prior to inspection or review by the COR. Quality control is the exclusive responsibility of the Contractor.

4.4. PROTECTION OF WORK AND PROPERTY/SAFETY REQUIREMENTS

4.4.1. The Contractor must protect the work, the site, and all existing property and structures within the limits of the construction activities or that may be affected thereby until acceptance of the work. Any damage to property must be repaired at the Contractor’s expense to pre-damaged condition to the satisfaction of the COR.

4.4.2. Safety and health matters, as they relate to the work, are the exclusive responsibility of the Contractor. The Contractor must furnish, erect, and maintain barricades, warning lights, signs, guards, or take other precautions as may be required by law or local authorities of the protection and security.

4.4.3. Coordinate all work with the COR and Local Point of Contact so that any disruptions can be kept to a minimum and to prevent any negative impacts to research.

4.4.4. The Government will not furnish any labor or equipment to unload or move materials or supplies.

5. UTILIZATION OF BIOBASED PRODUCTS

The Contractor must make every effort to utilize products and material based from bio-based materials as applicable, (e.g. bio-based greases; bio-based hydraulic fluids, bio-based absorbents), to the maximum extent possible without jeopardizing the intended end use or detracting from the overall quality delivered to the Government. All supplies and materials must be of a type and quality that conform to the applicable federal specifications and standards. All supplies and materials to be used in the performance of work described herein are subject to the approval of the Contracting Officer Representative (COR). Products can be found at: www.biopreferred.gov.

6. HAZARDOUS MATERIAL

The work involved in this SOW is not suspected to involve any hazardous materials. Existing conditions are reflected correctly to the best of USDA’s knowledge. If hazardous materials are found to be present, it must be reported to the CO & COR for further action.

7. DISPOSAL OF REMOVED MATERIALS AND DEBRIS

7.1. The Contractor must dispose of removed, materials, waste, trash, and debris in a safe, acceptable manner, in accordance with applicable laws and ordinances and as prescribed by authorities having jurisdiction.

7.2. Burying of trash and debris on the site is prohibited. Burning of trash and debris at the site is prohibited.

8. INSPECTION AND ACCEPTANCE

A government representative will inspect and approve the work performed on this project. The Contractor must schedule inspection a minimum of three (3) days in advance, in writing, to the COR and CO.

Last Updated 11/19/2024 image1.jpg image2.jpeg